public class test6 {
    public static void main(String[] args) {
     //数组练习
        int[] arr1 = {12,23,25};
     //姓名
     String[] arr2 = {"zhangsan","lisi","wangwu"};
     //小数
     double[] arr3 = {2.1,3.1,5.0};
        System.out.println(arr3);
    }
}
